21088746

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{383}}^1$

素因数の和:440

約数の個数: 96

約数和(自身を含む): 57507840

約数和(自身を除く): 36419094

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 23, 38, 42, 46, 57, 63, 69, 114, 126, 133, 138, 161, 171, 207, 266, 322, 342, 383, 399, 414, 437, 483, 766, 798, 874, 966, 1149, 1197, 1311, 1449, 2298, 2394, 2622, 2681, 2898, 3059, 3447, 3933, 5362, 6118, 6894, 7277, 7866, 8043, 8809, 9177, 14554, 16086, 17618, 18354, 21831, 24129, 26427, 27531, 43662, 48258, 50939, 52854, 55062, 61663, 65493, 79281, 101878, 123326, 130986, 152817, 158562, 167371, 184989, 305634, 334742, 369978, 458451, 502113, 554967, 916902, 1004226, 1109934, 1171597, 1506339, 2343194, 3012678, 3514791, 7029582, 10544373, 21088746]

約数ペア:

[(1, 21088746), (2, 10544373), (3, 7029582), (6, 3514791), (7, 3012678), (9, 2343194), (14, 1506339), (18, 1171597), (19, 1109934), (21, 1004226), (23, 916902), (38, 554967), (42, 502113), (46, 458451), (57, 369978), (63, 334742), (69, 305634), (114, 184989), (126, 167371), (133, 158562), (138, 152817), (161, 130986), (171, 123326), (207, 101878), (266, 79281), (322, 65493), (342, 61663), (383, 55062), (399, 52854), (414, 50939), (437, 48258), (483, 43662), (766, 27531), (798, 26427), (874, 24129), (966, 21831), (1149, 18354), (1197, 17618), (1311, 16086), (1449, 14554), (2298, 9177), (2394, 8809), (2622, 8043), (2681, 7866), (2898, 7277), (3059, 6894), (3447, 6118), (3933, 5362)]